{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["engineering feature", "process parameter", "material", "enabling technology", "machine or equipment", "manufacturing process"], "input": "The 3D model is converted into a file format that is understood by AM machines ."}
{"engineering feature": [], "process parameter": [], "material": [], "enabling technology": [], "machine or equipment": ["AM machines"], "manufacturing process": []}